:root {
            --primary: #034153;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --success: #2ecc71;
            --warning: #f39c12;
            --danger: #e74c3c;
            --gray: #95a5a6;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header Styles */
        header {
            background-color: var(--primary);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--secondary);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            padding: 0.5rem;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        
        nav ul li a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        
        .user-actions {
            display: flex;
            align-items: center;
        }
        
        .btn {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background-color: var(--secondary);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #2980b9;
        }
        
        .btn-outline {
            background-color: transparent;
            border: 1px solid white;
            color: white;
            margin-left: 10px;
        }
        
        .btn-outline:hover {
            background-color: white;
            color: var(--primary);
        }
        
        /* User info in header */
        .user-info {
            display: flex;
            align-items: center;
            margin-right: 15px;
            color: white;
        }
        
        .user-info i {
            margin-right: 8px;
            font-size: 1.2rem;
        }
        
        /* Main Content */
        main {
            flex: 1;
            padding: 2rem 0;
        }
        
        .view {
            display: none;
        }
        
        .view.active {
            display: block;
        }
        
        /* Home View */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 3rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .feature-card {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-card i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        
        /* Auth Forms */
        .auth-container {
            max-width: 500px;
            margin: 0 auto;
            background-color: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .auth-container h2 {
            text-align: center;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        
        .form-group input, .form-group select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        
        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: var(--secondary);
        }
        
        .user-type-selector {
            display: flex;
            margin-bottom: 1.5rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
        }
        
        .user-type-selector label {
            flex: 1;
            text-align: center;
            padding: 0.75rem;
            cursor: pointer;
            background-color: #f8f9fa;
            transition: background-color 0.3s;
        }
        
        .user-type-selector input[type="radio"] {
            display: none;
        }
        
        .user-type-selector input[type="radio"]:checked + label {
            background-color: var(--secondary);
            color: white;
        }
        
        /* Dashboard Styles */
        .dashboard-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }
        
        .welcome-message {
            font-size: 1.5rem;
            color: var(--primary);
        }
        
        .balance-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        
        .balance-label {
            font-size: 1rem;
            opacity: 0.8;
        }
        
        .balance-amount {
            font-size: 2.5rem;
            font-weight: bold;
            margin: 0.5rem 0;
        }
        
        .account-actions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .action-card {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            text-align: center;
            cursor: pointer;
            transition: transform 0.3s;
        }
        
        .action-card:hover {
            transform: translateY(-5px);
        }
        
        .action-card i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        
        /* Transaction History */
        .transaction-history {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .filters {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        
        .filters input, .filters select {
            padding: 0.5rem;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        table th, table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        
        table th {
            background-color: #f8f9fa;
            font-weight: 600;
        }
        
        .transaction-type {
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.85rem;
        }
        
        .deposit {
            background-color: rgba(46, 204, 113, 0.2);
            color: #27ae60;
        }
        
        .withdrawal {
            background-color: rgba(231, 76, 60, 0.2);
            color: #c0392b;
        }
        
        .transfer {
            background-color: rgba(52, 152, 219, 0.2);
            color: #2980b9;
        }
        
        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal.active {
            display: flex;
        }
        
        .modal-content {
            background-color: white;
            padding: 2rem;
            border-radius: 8px;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        
        .close-modal {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray);
        }
        
        /* Footer Styles */
        footer {
            background-color: var(--primary);
            color: white;
            padding: 1.5rem 0;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .footer-links {
            display: flex;
            gap: 1.5rem;
            margin: 1rem 0;
        }
        
        .footer-links a {
            color: white;
            text-decoration: none;
        }
        
        .footer-links a:hover {
            text-decoration: underline;
        }
        
        /* Responsive Styles */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            nav ul {
                margin-top: 1rem;
                justify-content: center;
            }
            
            .user-actions {
                margin-top: 1rem;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
            
            .account-actions {
                grid-template-columns: 1fr;
            }
            
            .filters {
                flex-direction: column;
            }
            
            .hero {
                padding: 2rem 1rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
        }
        
        /* Mobile menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            
            nav ul.show {
                display: flex;
            }
            
            nav ul li {
                margin: 0.5rem 0;
            }
        }
        
        /* Notification */
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 1rem;
            border-radius: 4px;
            color: white;
            z-index: 1100;
            display: none;
        }
        
        .notification.success {
            background-color: var(--success);
        }
        
        .notification.error {
            background-color: var(--danger);
        }

        /* Transaction View Modal */
        .transaction-modal {
            max-width: 90% !important;
            width: 90% !important;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .transaction-modal table {
            font-size: 0.9rem;
        }
        
        .transaction-modal th,
        .transaction-modal td {
            padding: 0.5rem;
        }
        
        @media (max-width: 768px) {
            .transaction-modal {
                max-width: 95% !important;
                width: 95% !important;
            }
            
            .transaction-modal table {
                font-size: 0.8rem;
            }
            
            .transaction-modal th,
            .transaction-modal td {
                padding: 0.3rem;
            }
        }